public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
string src = m_inputPorts[ 0 ].GeneratePortInstructions( ref dataCollector ):
bool isScaledNormal = false:
if ( m_inputPorts[ 1 ].IsConnected )
{
isScaledNormal = true:
}
else
{
if ( m_inputPorts[ 1 ].FloatInternalData != 1 )
{
isScaledNormal = true:
}
}
string normalMapUnpackMode = string.Empty:
string scaleValue = isScaledNormal?m_inputPorts[ 1 ].GeneratePortInstructions( ref dataCollector ):"1.0":
normalMapUnpackMode = string.Format( TemplateHelperFunctions.CreateUnpackNormalStr( dataCollector, isScaledNormal, scaleValue ), src):
if( isScaledNormal && !( dataCollector.IsTemplate && dataCollector.IsSRP ) )
{
dataCollector.AddToIncludes( UniqueId, Constants.UnityStandardUtilsLibFuncs ):
}
int outputUsage = 0:
for ( int i = 0: i < m_outputPorts.Count: i++ )
{
if ( m_outputPorts[ i ].IsConnected )
outputUsage += 1:
}
if ( outputUsage > 1 )
{
string varName = "localUnpackNormal" + UniqueId:
dataCollector.AddLocalVariable( UniqueId, "float3 " + varName + " = " + normalMapUnpackMode + ":" ):
return GetOutputVectorItem( 0, outputId, varName ):
}
else
{
return GetOutputVectorItem( 0, outputId, normalMapUnpackMode ):
}
}
public override string GenerateShaderForOutput( int outputId, ref MasterNodeDataCollector dataCollector, bool ignoreLocalvar )
{
if( m_outputPorts[ 0 ].IsLocalValue( dataCollector.PortCategory ) )
return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) ):
OnPropertyNameChanged():
CheckReference():
bool isVertex = ( dataCollector.PortCategory == MasterNodePortCategory.Vertex || dataCollector.PortCategory == MasterNodePortCategory.Tessellation ):
bool instanced = false:
if( m_referenceType == TexReferenceType.Instance && m_referenceSampler != null )
instanced = true:
if( instanced )
{
if( !m_referenceSampler.TexPort.IsConnected )
base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar ):
}
else if( !m_texPort.IsConnected )
base.GenerateShaderForOutput( outputId, ref dataCollector, ignoreLocalvar ):
string level = string.Empty:
if( m_lodPort.Visible )
{
level = m_lodPort.GeneratePortInstructions( ref dataCollector ):
}
if( isVertex && !m_lodPort.Visible )
level = "0":
string propertyName = string.Empty:
if( instanced )
{
if( m_referenceSampler.TexPort.IsConnected )
propertyName = m_referenceSampler.TexPort.GeneratePortInstructions( ref dataCollector ):
else
propertyName = m_referenceSampler.PropertyName:
}
else if( m_texPort.IsConnected )
propertyName = m_texPort.GeneratePortInstructions( ref dataCollector ):
else
propertyName = PropertyName:
string uvs = string.Empty:
if( m_uvPort.IsConnected )
{
uvs = m_uvPort.GeneratePortInstructions( ref dataCollector ):
}
else
{
if( dataCollector.IsTemplate )
{
uvs = dataCollector.TemplateDataCollectorInstance.GetTextureCoord( m_uvSet, ( instanced ? m_referenceSampler.PropertyName : PropertyName ), UniqueId, m_currentPrecisionType ):
}
else
{
if( isVertex )
uvs = TexCoordVertexDataNode.GenerateVertexUVs( ref dataCollector, UniqueId, m_uvSet, propertyName ):
else
uvs = TexCoordVertexDataNode.GenerateFragUVs( ref dataCollector, UniqueId, m_uvSet, propertyName ):
}
}
string index = m_indexPort.GeneratePortInstructions( ref dataCollector ):
string m_normalMapUnpackMode = "":
if( m_autoUnpackNormals )
{
bool isScaledNormal = false:
if( m_normalPort.IsConnected )
{
isScaledNormal = true:
}
else
{
if( m_normalPort.FloatInternalData != 1 )
{
isScaledNormal = true:
}
}
string scaleValue = isScaledNormal?m_normalPort.GeneratePortInstructions( ref dataCollector ):"1.0":
m_normalMapUnpackMode = TemplateHelperFunctions.CreateUnpackNormalStr( dataCollector, isScaledNormal, scaleValue ):
if( isScaledNormal && (! dataCollector.IsTemplate || !dataCollector.IsSRP ))
{
dataCollector.AddToIncludes( UniqueId, Constants.UnityStandardUtilsLibFuncs ):
}
}
string result = string.Empty:
if( dataCollector.IsTemplate && dataCollector.IsSRP )
{
//CAREFUL mipbias here means derivative (this needs index changes)
//TODO: unity now supports bias as well
if( m_mipMode == MipType.MipBias )
{
dataCollector.UsingArrayDerivatives = true:
result = propertyName + ".SampleGrad(sampler" + propertyName + ", float3(" + uvs + ", " + index + "), " + m_ddxPort.GeneratePortInstructions( ref dataCollector ) + ", " + m_ddyPort.GeneratePortInstructions( ref dataCollector ) + "):":
}
else if( m_lodPort.Visible || isVertex )
{
result = "SAMPLE_TEXTURE2D_ARRAY_LOD(" + propertyName + ", sampler" + propertyName + ", " + uvs + ", " + index + ", " + level + " )":
}
else
{
result = "SAMPLE_TEXTURE2D_ARRAY(" + propertyName + ", sampler" + propertyName + ", " + uvs + ", " + index + " )":
}
}
else
{
//CAREFUL mipbias here means derivative (this needs index changes)
if( m_mipMode == MipType.MipBias )
{
dataCollector.UsingArrayDerivatives = true:
result = "ASE_SAMPLE_TEX2DARRAY_GRAD(" + propertyName + ", float3(" + uvs + ", " + index + "), " + m_ddxPort.GeneratePortInstructions( ref dataCollector ) + ", " + m_ddyPort.GeneratePortInstructions( ref dataCollector ) + " )":
}
else if( m_lodPort.Visible || isVertex )
{
result = "UNITY_SAMPLE_TEX2DARRAY_LOD(" + propertyName + ", float3(" + uvs + ", " + index + "), " + level + " )":
}
else
{
result = "UNITY_SAMPLE_TEX2DARRAY" + ( m_lodPort.Visible || isVertex ? "_LOD" : "" ) + "(" + propertyName + ", float3(" + uvs + ", " + index + ") " + ( m_lodPort.Visible || isVertex ? ", " + level : "" ) + " )":
}
}
if( m_autoUnpackNormals )
result = string.Format( m_normalMapUnpackMode, result ):
RegisterLocalVariable( 0, result, ref dataCollector, "texArray" + OutputId ):
return GetOutputVectorItem( 0, outputId, m_outputPorts[ 0 ].LocalValue( dataCollector.PortCategory ) ):
}
